You might've guessed, but the problem is bigger than just putting oil in our cars. Moving towards electric propulsion is a big part of the solution though.
MIT Study Shows Grid Must Be Cleaned Up For Electric Vehicles to Reduce GHGs

MIT Study Shows Grid Must Be Cleaned Up For Electric Vehicles to Reduce GHGs
(via gas2.org)
Submitted by SVOboy on Thu, 2008-04-17 14:52. | Tags: transportation | ghg | HEVs | hybrid | PHEVs